Artificial Muscles for Simulating Caregiver Touch in Soothing Devices
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Solution Overview
Problem
Current child soothing devices do not effectively simulate the touch and warmth of a caregiver, failing to provide the necessary stimulation for a baby's health and development.
Innovation Solution
A child soothing device featuring artificial muscles with an electrode pair and dielectric fluid, actuated by a controller to apply pressure and warmth, mimicking the sensation of being held and simulating a heartbeat, integrated with a network interface to receive heartbeat data for personalized simulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional swaddling blankets and baby sleep sacks are used, then the baby is comfortable and warm, but the device cannot simulate the sensation of touch or being held
Solution Approach 1:
The patent replaces traditional mechanical compression systems with artificial muscles that use electrostatic actuation. The artificial muscles include electrode pairs and dielectric members that deform in response to electrical signals, enabling dynamic pressure application without complex mechanical linkages or motors, thus maintaining simplicity while achieving sophisticated touch simulation
Solution Approach 2:
The patent changes the physical state and properties of materials to achieve soothing effects. Specifically, it uses dielectric members that change shape in response to electrical fields, and incorporates warming elements that adjust temperature parameters to simulate caregiver body warmth, thereby providing multi-parameter simulation of human contact
2Object-affected harmful factors
If artificial muscles are added to simulate touch and heartbeat, then the simulation of being held is improved, but the device complexity increases
Solution Approach 1:
The patent divides the artificial muscle system into discrete, modular units with electrode pairs and dielectric members positioned at specific locations. This segmentation allows independent control of different muscle groups to simulate various aspects of heartbeat and touch patterns, while each individual unit remains relatively simple in structure
Solution Approach 2:
The artificial muscles serve multiple functions: they simulate heartbeat rhythms, provide gentle pressure for touch sensation, and can be controlled through wireless communication. This multi-functionality reduces the need for separate systems for each function, thereby managing overall device complexity while achieving comprehensive simulation capabilities
3Object-affected harmful factors
If dynamic pressure application is implemented to simulate heartbeat, then the realism of caregiver simulation is improved, but the energy consumption increases
Solution Approach 1:
The patent implements periodic actuation of artificial muscles to simulate heartbeat rhythms. The controller applies electrical signals in periodic patterns that mimic natural cardiac cycles, creating realistic dynamic pressure variations while allowing the system to remain dormant between cycles, thereby managing energy consumption through rhythmic rather than continuous operation
Solution Approach 2:
The patent uses electrostatic actuation of dielectric members instead of traditional mechanical motors or pneumatic systems. This substitution requires less energy because the electrostatic fields can be switched on and off rapidly with minimal power consumption, enabling dynamic pressure application while maintaining energy efficiency
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device provides a realistic simulation of being held, offering comfort and security to babies by applying gentle pressure and warmth, enhancing their sense of calm and security.
Implementation Method 1
The electrode pair is actuatable between a non-actuated state and an actuated state such that actuation from the non-actuated state to the actuated state directs the dielectric fluid into the expandable fluid region
Implementation Method 2
expanding the expandable fluid region, thereby applying pressure to the inner layer of the soothing structure
Data Source
AI summary
A child soothing device includes a soothing structure includes an outer layer and an inner layer, and one or more artificial muscles disposed between the inner layer and the outer layer of the soothing structure and communicatively coupled to a controller. Each of the one or more artificial muscles includes a housing comprising an electrode region and an expandable fluid region and a dielectric fluid housed within the housing. Each of the one or more artificial muscles also includes an electrode pair positioned in the electrode region of the housing, the electrode pair including a first electrode and a second electrode. The electrode pair is actuatable between a non-actuated state and an actuated state such that actuation from the non-actuated state to the actuated state directs the dielectric fluid into the expandable fluid region, expanding the expandable fluid region, thereby applying pressure to the inner layer of the soothing structure.